/Engine/Source/Runtime/SlateCore/Public/Styling/SlateTypes.h
[FTextBlockStyle](API\Runtime\SlateCore\Styling\FTextBlockStyle) & SetFont ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< const [FCompositeFont](API\Runtime\SlateCore\Fonts\FCompositeFont) > InCompositeFont, const float InSize, const [FName](API\Runtime\Core\UObject\FName) & InTypefaceFontName )